noun: a pyridine ring with three phosphorus groups
Length: 18 letters
Scrabble value: 34
Words with Friends value: 35
Literati value: 25
TWL (USA): Not found
SOWPODS (UK): Not found
triphosphopyridine
doryopteris
ponderosity
preposition
deposition
depository
desorption
disinherit
dryopteris
editorship
hypnotised
hypnotiser
pinstriped
positioner
prehistory
priesthood
priodontes
prioritise
propensity
prosperity
pyrrhotine
reposition
repository
resorption
sporophyte
depositor
disorient
dripstone
erythroid
histidine
historied
horsepond
hoydenish
hypnotise
inheritor
nephritis
opheodrys
perdition
phosphine
phrenitis
pinstripe
porphyrin
porphyrio
posterior
postponer
priorship
propriety
prostheon
prosthion
protropin
rhodonite
rhodopsin
seniority
shorthorn
theosophy
tisiphone
troopship
derision
derisory
dipteron
dishonor
disinter
dispirit
doorstep
hedonist
henroost
hirohito
histrion
honeypot
hornpipe
hyperion
indorser
inspired
inspirer
inspirit
interior
intrepid
iodopsin
ironshod
ironside
isotropy
nephrops
nephthys
northrop
notropis
opposite
orthoepy
phoronid
phosphor
poisoner
poitiers
porosity
porpoise
poseidon
position
positron
postpone
potsherd
presidio
priority
prisoner
pristine
property
prophesy
prophets
proposer
pyridine
resinoid
rhinitis
sedition
shoehorn
sonority
sorority
sorption
sphenoid
spheroid
spirited
sprinter
stripped
stripper
theropod
threnody
tyrosine
density
deposit
destiny
destroy
diopter
dioptre
diorite
dippers
disport
dropper
edition
entropy
erosion
heritor
heronry
hippies
hipster
histone
history
hoister
honesty
honored
hoosier
hornist
hosiery
hydrops
hyperon
hypnoid
indoors
indorse
inherit
inshore
insider
insipid
inspire
ionised
ironist
isoptin
isotope
neritid
nitride
norrish
norther
onshore
ophryon
opposed
opposer
orphrey
peridot
pierrot
piperin
pitprop
pointed
pointer
poitier
portend
portion
postern
printer
prophet
propose
prosody
prosper
protein
pterion
pterois
pyrites
redroot
repoint
reposit
reprint
reshoot
respond
rhenish
riposte
riptide
roister
rooster
rosehip
shipper
shooter
shopper
shorten
sinoper
snippet
snooper
snorter
sordino
spidery
steroid
stipend
stirred
stooped
stooper
stopped
stopper
storied
strider
stridor
striped
striper
strophe
stroppy
thripid
thyroid
tineoid
tooshie
topside
topspin
torpedo
torreon
torsion
toyshop
tripper
trooper
trypsin
typhoid
typhoon
dehorn
deport
derris
despot
dinero
dipnoi
dipper
disney
dither
drippy
droopy
dropsy
drypis
edison
editor
esprit
ethnos
heroin
hesiod
hinder
hindoo
hipped
hippie
hispid
hither
hoenir
honest
honied
hooter
hopper
horned
hornet
horney
horrid
hosier
hoyden
hyphen
hypnos
hytrin
indite
indoor
indris
insert
inside
instep
iodine
iodise
ionise
iritis
ironed
irtish
irtysh
isopod
neosho
nestor
nipper
norris
nosher
onside
operon
ophrys
oppose
option
orient
orison
orites
ornery
oroide
orpine
osprey
otides
otiose
oyster
pepsin
period
perish
pernio
pernis
pernod
person
phoner
phoney
photon
pierid
pieris
pinite
pinter
pippin
piston
poetry
poised
poison
ponder
pontos
popery
popish
popper
poppet
porose
porter
posted
poster
pother
pothos
potion
potpie
presto
pretor
priest
priory
prison
pronto
proper
proton
pteris
pyrite
pyrope
python
renoir
report
reship
resiny
resort
rhodes
rioter
ripper
rodent
rodhos
rooted
rooter
roster
senhor
senior
seniti
sentry
seriph
sherry
shiite
shindy
shiner
shinto
shirer
shirty
shnorr
shrine
sidney
sindhi
sinter
siphon
sipper
sniper
snoopy
snooty
snorer
snorty
sooner
soothe
sorted
sorter
sortie
sperry
spider
spinet
spirit
sporty
sprint
sprite
stheno
stoned
stoner
storey
stride
stripe
stripy
styron
syphon
tensor
theory
thorny
thorpe
thresh
thrips
throes
throne
thyrse
tiepin
tinder
tineid
tipped
tipper
tishri
topped
topper
torero
torino
toroid
torpid
torpor
torrid
trendy
trepid
triode
triops
triose
tripod
tripos
troops
trophy
typhon
yersin
yonder
deist
deity
depot
depth
dhoti
diner
dioon
dirty
dishy
donor
dopey
doris
doyen
drier
drone
droop
dryer
eidos
entry
entsi
entsy
eosin
ernst
espoo
ethos
eyrir
heist
henry
herod
heron
hindi
hippo
hippy
hired
hirer
hoder
hoist
hondo
honey
honor
hooey
hoops
hopeh
hopei
hoper
horde
horne
horny
horse
horst
hotei
hothr
hyoid
hyson
idiot
indie
indri
inept
inert
inset
inter
intro
iodin
irish
irons
irony
nippy
nisei
niter
nitid
nitre
noise
noisy
noose
norse
north
nosed
nosey
noted
noyes
odets
odist
onset
ootid
opine
opsin
order
orion
orpin
orris
osier
other
penis
peony
pepin
peppy
pepsi
pepys
peron
perry
perth
pesto
phone
phony
photo
piety
pinot
pinto
piper
pipet
pipit
piste
pithy
piton
poesy
point
poise
poppy
porno
porte
porto
posed
poser
posit
potos
pride
print
prion
prior
prise
prone
props
prose
prosy
proto
psyop
repot
resht
resid
resin
retro
retry
rhein
rhine
rhino
rhone
rider
rinse
ripen
risen
riser
rodeo
rodin
rondo
roneo
roost
roots
roper
ropey
rophy
rosin
rotor
senor
serin
seton
sherd
shine
shiny
shire
shirr
shirt
shite
shoed
shoot
shore
shorn
short
shote
shred
sidon
siren
snide
snipe
snood
snoop
snoot
snore
snort
sooth
sooty
sopor
soppy
sorry
sotho
spend
spent
spine
spiny
spire
spirt
spite
spode
spoon
spoor
spore
sport
sprit
stein
stern
stipe
stoep
stone
stony
stoop
store
story
strep
strip
strop
synod
teiid
tenor
tepid
terry
third
thorn
thrip
throe
tined
tippy
tipsy
tired
tiyin
toned
toner
toper
topos
torso
toyon
trend
tried
trier
trine
tripe
troop
trope
tsine
tyson
ypres
dent
deny
diet
dine
dint
dior
dire
dirt
dish
doei
doer
done
door
dope
dopy
dory
dose
dote
drey
drip
drop
dyer
dyne
edit
enid
epos
erin
eris
eros
erst
esop
espy
heir
herd
hero
herr
heth
hide
hind
hint
hire
hodr
hone
hood
hoop
hoot
hope
hopi
hops
horn
hose
host
hoth
hype
hypo
ides
inst
inti
ipod
iris
iron
nerd
nero
nest
nipr
nisi
nist
node
nose
nosh
nosy
note
nrti
ntis
nyse
oder
odin
odor
ohio
oort
open
oreo
otho
otis
otoe
pent
peon
peri
pert
peso
pest
phon
phot
pied
pier
pine
pint
pion
pipe
pith
pity
poet
pond
pone
pons
pony
pood
poon
poop
poor
pope
pore
porn
port
pose
posh
post
posy
prep
prey
prod
prop
ptsd
pyre
redo
reid
rein
reit
rend
reno
rent
repp
resh
rest
ride
rind
riot
ripe
rise
rite
rood
root
rope
ropy
rose
rosy
rote
roth
send
sent
sept
seth
shed
shin
ship
shit
shod
shoe
shoo
shop
shot
side
sind
sine
sion
sire
site
snip
snit
snot
soho
sone
soon
soot
soph
sore
sort
spin
spit
spot
spry
step
stir
stop
stye
syph
tend
tern
then
thin
thor
tide
tidy
tied
tier
tine
tiny
tipi
tire
tiro
tody
toed
tone
tons
toon
tope
topi
tops
tore
torn
torr
tory
tosh
trey
trio
trip
troy
tyne
type
typo
tyre
tyro
tyrr
yedo
yeti
yips
yodh
yore
den
des
die
din
dip
dis
dit
doe
doh
doi
don
dos
dot
dph
dry
dts
dye
edo
edp
eds
end
eon
eos
epi
ern
err
ert
esp
esr
est
etd
hen
hep
het
hhs
hie
hin
hip
hit
hnd
hod
hoe
hop
hot
hoy
hrt
ido
idp
ied
iii
iis
inh
inr
ins
ion
iop
ipo
ire
irs
isi
isn
neo
net
ney
nih
nip
nit
nod
not
nro
nth
ode
odo
oed
ois
one
oni
ono
ooh
ops
opt
ore
orr
oto
pei
pen
pep
pes
pet
phd
phi
phs
pid
pie
pin
pip
pit
pod
poe
poi
pop
pot
ppp
prn
pro
pry
psi
pst
pto
red
rep
res
ret
rhd
rho
rid
rio
rip
rod
roe
roi
ron
rot
rye
sen
sep
set
shy
sin
sip
sir
sit
snp
sod
soh
son
sop
sot
soy
spy
std
sth
stp
sty
ted
ten
thd
tho
tie
tin
tip
tod
toe
ton
too
top
tor
toy
tpn
trh
try
tsh
tyr
yen
yes
yet
yid
yin
yip
yon
de
do
dp
ds
dy
ed
en
er
es
he
hi
hn
ho
hp
hr
hs
id
ie
ii
in
io
ip
ir
it
nd
ne
nh
ni
no
np
nt
ny
od
oh
on
or
os
pd
pe
ph
pi
po
pr
ps
pt
re
rh
ri
rn
ro
sd
se
si
sn
so
sr
te
th
ti
tn
yi
yr
d
e
h
i
n
o
p
r
s
t
y
trip-up
tripalmitin
tripartite
triphammer
tripinnate
tripinnated
tripinnatifid
triple
triple-crown